17978047

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 19768320

約数和(自身を除く): 1790273

約数列:

[1, 19, 31, 131, 233, 589, 2489, 4061, 4427, 7223, 30523, 77159, 137237, 579937, 946213, 17978047]

約数ペア:

[(1, 17978047), (19, 946213), (31, 579937), (131, 137237), (233, 77159), (589, 30523), (2489, 7223), (4061, 4427)]